#include <errno.h>
#include <fcntl.h>
#include <signal.h>
+#include <yaz/base64.h>
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <yaz/tcpip.h>
#include <yaz/errno.h>
+#ifndef WIN32
#define RESOLVER_THREAD 1
+#endif
static void tcpip_close(COMSTACK h);
static int tcpip_put(COMSTACK h, char *buf, int size);
static int tcpip_get(COMSTACK h, char **buf, int *bufsize);
-static int tcpip_put_connect(COMSTACK h, char *buf, int size);
-static int tcpip_get_connect(COMSTACK h, char **buf, int *bufsize);
static int tcpip_connect(COMSTACK h, void *address);
static int tcpip_more(COMSTACK h);
static int tcpip_rcvconnect(COMSTACK h);
static int ssl_put(COMSTACK h, char *buf, int size);
#endif
+
+#if HAVE_GETADDRINFO
+struct addrinfo *tcpip_getaddrinfo(const char *str, const char *port,
+ int *ipv6_only);
+#endif
+
static COMSTACK tcpip_accept(COMSTACK h);
static const char *tcpip_addrstr(COMSTACK h);
static void *tcpip_straddr(COMSTACK h, const char *str);
#if HAVE_GETADDRINFO
struct addrinfo *ai;
struct addrinfo *ai_connect;
+ int ipv6_only;
+ char *bind_host;
+#if RESOLVER_THREAD
+ int pipefd[2];
+ char *hoststr;
+ const char *port;
+ yaz_thread_t thread_id;
+#endif
#else
struct sockaddr_in addr; /* returned by cs_straddr */
#endif
int connect_request_len;
char *connect_response_buf;
int connect_response_len;
- int ipv6_only;
-#if RESOLVER_THREAD
- int pipefd[2];
- char *hoststr;
- const char *port;
- yaz_thread_t thread_id;
-#endif
} tcpip_state;
static int tcpip_init(void)
return 1;
}
+static struct tcpip_state *tcpip_state_create(void)
+{
+ tcpip_state *sp = (struct tcpip_state *) xmalloc(sizeof(*sp));
+
+ sp->altbuf = 0;
+ sp->altsize = sp->altlen = 0;
+ sp->towrite = sp->written = -1;
+ sp->complete = cs_complete_auto;
+
+#if HAVE_GETADDRINFO
+ sp->ai = 0;
+ sp->ai_connect = 0;
+ sp->bind_host = 0;
+#if RESOLVER_THREAD
+ sp->hoststr = 0;
+ sp->pipefd[0] = sp->pipefd[1] = -1;
+ sp->port = 0;
+#endif
+#endif
+
+#if HAVE_GNUTLS_H
+ sp->cred_ptr = 0;
+ sp->session = 0;
+ strcpy(sp->cert_fname, "yaz.pem");
+#endif
+ sp->connect_request_buf = 0;
+ sp->connect_request_len = 0;
+ sp->connect_response_buf = 0;
+ sp->connect_response_len = 0;
+ return sp;
+}
+
/*
* This function is always called through the cs_create() macro.
* s >= 0: socket has already been established for us.
COMSTACK tcpip_type(int s, int flags, int protocol, void *vp)
{
COMSTACK p;
- tcpip_state *sp;
if (!tcpip_init())
return 0;
if (!(p = (struct comstack *)xmalloc(sizeof(struct comstack))))
return 0;
- if (!(sp = (struct tcpip_state *)(p->cprivate =
- xmalloc(sizeof(tcpip_state)))))
- return 0;
+ p->cprivate = tcpip_state_create();
p->flags = flags;
p->io_pending = 0;
p->cerrno = 0;
p->user = 0;
-#if HAVE_GNUTLS_H
- sp->cred_ptr = 0;
- sp->session = 0;
- strcpy(sp->cert_fname, "yaz.pem");
-#endif
-
-#if HAVE_GETADDRINFO
-#if RESOLVER_THREAD
- sp->hoststr = 0;
- sp->pipefd[0] = sp->pipefd[1] = -1;
- sp->port = 0;
-#endif
- sp->ai = 0;
-#endif
- sp->altbuf = 0;
- sp->altsize = sp->altlen = 0;
- sp->towrite = sp->written = -1;
- sp->complete = cs_complete_auto;
-
- sp->connect_request_buf = 0;
- sp->connect_request_len = 0;
- sp->connect_response_buf = 0;
- sp->connect_response_len = 0;
-
TRC(fprintf(stderr, "Created new TCPIP comstack h=%p\n", p));
return p;
}
-COMSTACK yaz_tcpip_create(int s, int flags, int protocol,
- const char *connect_host)
+static void connect_and_bind(COMSTACK p,
+ const char *connect_host, const char *connect_auth,
+ const char *bind_host)
{
- COMSTACK p = tcpip_type(s, flags, protocol, 0);
- if (!p)
- return 0;
+ if (bind_host)
+ {
+ tcpip_state *sp = (tcpip_state *) p->cprivate;
+ char *cp;
+ sp->bind_host = xmalloc(strlen(bind_host) + 4);
+ strcpy(sp->bind_host, bind_host);
+ cp = strrchr(sp->bind_host, ':');
+
+ if (!cp || cp[1] == '\0')
+ strcat(sp->bind_host, ":0");
+ else
+ strcpy(cp, ":0");
+ }
if (connect_host)
{
tcpip_state *sp = (tcpip_state *) p->cprivate;
- sp->connect_request_buf = (char *) xmalloc(strlen(connect_host) + 30);
- sprintf(sp->connect_request_buf, "CONNECT %s HTTP/1.0\r\n\r\n",
- connect_host);
+ char *cp;
+ sp->connect_request_buf = (char *) xmalloc(strlen(connect_host) + 130);
+ strcpy(sp->connect_request_buf, "CONNECT ");
+ strcat(sp->connect_request_buf, connect_host);
+ cp = strchr(sp->connect_request_buf, '/');
+ if (cp)
+ *cp = '\0';
+ strcat(sp->connect_request_buf, " HTTP/1.0\r\n");
+ if (connect_auth && strlen(connect_auth) < 40)
+ {
+ strcat(sp->connect_request_buf, "Proxy-Authorization: Basic ");
+ yaz_base64encode(connect_auth, sp->connect_request_buf +
+ strlen(sp->connect_request_buf));
+ strcat(sp->connect_request_buf, "\r\n");
+ }
+ strcat(sp->connect_request_buf, "\r\n");
sp->connect_request_len = strlen(sp->connect_request_buf);
- p->f_put = tcpip_put_connect;
- p->f_get = tcpip_get_connect;
- sp->complete = cs_complete_auto_head; /* only want HTTP header */
}
+}
+
+COMSTACK yaz_tcpip_create3(int s, int flags, int protocol,
+ const char *connect_host,
+ const char *connect_auth,
+ const char *bind_host)
+{
+ COMSTACK p = tcpip_type(s, flags, protocol, 0);
+ if (!p)
+ return 0;
+ connect_and_bind(p, connect_host, 0, bind_host);
return p;
}
+COMSTACK yaz_tcpip_create2(int s, int flags, int protocol,
+ const char *connect_host,
+ const char *bind_host)
+{
+ return yaz_tcpip_create3(s, flags, protocol, connect_host, 0, bind_host);
+}
+
+COMSTACK yaz_tcpip_create(int s, int flags, int protocol,
+ const char *connect_host)
+{
+ return yaz_tcpip_create2(s, flags, protocol, connect_host, 0);
+}
+
#if HAVE_GNUTLS_H
static void tcpip_create_cred(COMSTACK cs)
{
#endif
}
+COMSTACK yaz_ssl_create(int s, int flags, int protocol,
+ const char *connect_host,
+ const char *connect_auth,
+ const char *bind_host)
+{
+ COMSTACK p = ssl_type(s, flags, protocol, 0);
+ if (!p)
+ return 0;
+ connect_and_bind(p, connect_host, connect_auth, bind_host);
+ return p;
+}
+
#if HAVE_GNUTLS_H
static int ssl_check_error(COMSTACK h, tcpip_state *sp, int res)
{
strncpy(host, str, sizeof(host)-1);
host[sizeof(host)-1] = 0;
+ if ((p = strrchr(host, ' ')))
+ *p = 0;
if ((p = strchr(host, '/')))
*p = 0;
if ((p = strrchr(host, ':')))
IPPROTO_IPV6,
IPV6_V6ONLY, &sp->ipv6_only, sizeof(sp->ipv6_only)))
return 0;
+ if (sp->bind_host)
+ {
+ int r = -1;
+ int ipv6_only = 0;
+ struct addrinfo *ai;
+
+#ifndef WIN32
+ int one = 1;
+ if (setsockopt(h->iofile, SOL_SOCKET, SO_REUSEADDR, (char*)
+ &one, sizeof(one)) < 0)
+ {
+ h->cerrno = CSYSERR;
+ return 0;
+ }
+#endif
+ ai = tcpip_getaddrinfo(sp->bind_host, "0", &ipv6_only);
+ if (!ai)
+ return 0;
+ {
+ struct addrinfo *a;
+ for (a = ai; a; a = a->ai_next)
+ {
+ r = bind(h->iofile, a->ai_addr, a->ai_addrlen);
+ if (!r)
+ break;
+ }
+ }
+ if (r)
+ {
+ h->cerrno = CSYSERR;
+ freeaddrinfo(ai);
+ return 0;
+ }
+ freeaddrinfo(ai);
+ }
if (!tcpip_set_blocking(h, h->flags))
return 0;
return ai;
close(sp->pipefd[0]);
close(sp->pipefd[1]);
sp->pipefd[0] = -1;
+ h->iofile = -1;
return create_net_socket(h);
}
+#endif
+
void *tcpip_straddr(COMSTACK h, const char *str)
{
tcpip_state *sp = (tcpip_state *)h->cprivate;
else
port = "80";
}
-
- if (sp->pipefd[0] != -1)
- return 0;
- if (pipe(sp->pipefd) == -1)
- return 0;
-
- sp->port = port;
- xfree(sp->hoststr);
- sp->hoststr = xstrdup(str);
- sp->thread_id = yaz_thread_create(resolver_thread, h);
- return sp->hoststr;
-}
-
-#else
-
-void *tcpip_straddr(COMSTACK h, const char *str)
-{
- tcpip_state *sp = (tcpip_state *)h->cprivate;
- const char *port = "210";
- struct addrinfo *ai = 0;
- if (h->protocol == PROTO_HTTP)
+#if RESOLVER_THREAD
+ if (h->flags & CS_FLAGS_DNS_NO_BLOCK)
{
- if (h->type == ssl_type)
- port = "443";
- else
- port = "80";
- }
- if (!tcpip_init())
- return 0;
+ if (sp->pipefd[0] != -1)
+ return 0;
+ if (pipe(sp->pipefd) == -1)
+ return 0;
+ sp->port = port;
+ xfree(sp->hoststr);
+ sp->hoststr = xstrdup(str);
+ sp->thread_id = yaz_thread_create(resolver_thread, h);
+ return sp->hoststr;
+ }
+#endif
if (sp->ai)
freeaddrinfo(sp->ai);
sp->ai = tcpip_getaddrinfo(str, port, &sp->ipv6_only);
{
return create_net_socket(h);
}
- return ai;
+ return sp->ai;
}
-#endif
-
#else
void *tcpip_straddr(COMSTACK h, const char *str)
{
tcpip_set_blocking(h, h->flags);
return tcpip_connect(h, ai);
}
-#endif
}
+#endif
h->cerrno = CSYSERR;
return -1;
}
h->cerrno = CSOUTSTATE;
return -1;
}
+#if HAVE_GETADDRINFO
#if RESOLVER_THREAD
if (sp->pipefd[0] != -1)
{
}
}
#endif
-#if HAVE_GETADDRINFO
r = connect(h->iofile, ai->ai_addr, ai->ai_addrlen);
sp->ai_connect = ai;
#else
*/
int tcpip_rcvconnect(COMSTACK h)
{
-#if HAVE_GNUTLS_H
tcpip_state *sp = (tcpip_state *)h->cprivate;
-#endif
TRC(fprintf(stderr, "tcpip_rcvconnect\n"));
if (h->state == CS_ST_DATAXFER)
return 0;
+#if HAVE_GETADDRINFO
#if RESOLVER_THREAD
if (sp->pipefd[0] != -1)
{
return tcpip_connect(h, ai);
}
#endif
+#endif
if (h->state != CS_ST_CONNECTING)
{
h->cerrno = CSOUTSTATE;
return -1;
}
+ if (sp->connect_request_buf)
+ {
+ int r;
+
+ sp->complete = cs_complete_auto_head;
+ if (sp->connect_request_len > 0)
+ {
+ r = tcpip_put(h, sp->connect_request_buf,
+ sp->connect_request_len);
+ TRC(fprintf(stderr, "tcpip_put CONNECT r=%d\n", r));
+ if (r) /* < 0 is error, 1 is in-complete */
+ return r;
+ TRC(fprintf(stderr, "tcpip_put CONNECT complete\n"));
+ TRC(fwrite(sp->connect_request_buf, 1, sp->connect_request_len, stderr));
+ }
+ sp->connect_request_len = 0;
+
+ r = tcpip_get(h, &sp->connect_response_buf, &sp->connect_response_len);
+ TRC(fprintf(stderr, "tcpip_get CONNECT r=%d\n", r));
+ if (r == 1)
+ return r;
+ if (r <= 0)
+ return -1;
+ TRC(fwrite(sp->connect_response_buf, 1, r, stderr));
+ xfree(sp->connect_request_buf);
+ sp->connect_request_buf = 0;
+ sp->complete = cs_complete_auto;
+ }
#if HAVE_GNUTLS_H
if (h->type == ssl_type && !sp->session)
{
int one = 1;
#endif
+#if HAVE_GETADDRINFO
#if RESOLVER_THREAD
if (sp->pipefd[0] != -1)
{
return -1;
}
#endif
+#endif
#if HAVE_GNUTLS_H
if (h->type == ssl_type && !sp->session)
{
int res;
- gnutls_global_init();
-
tcpip_create_cred(h);
-
res = gnutls_certificate_set_x509_key_file(sp->cred_ptr->xcred,
sp->cert_fname,
sp->cert_fname,
GNUTLS_X509_FMT_PEM);
if (res != GNUTLS_E_SUCCESS)
{
- fprintf(stderr, "Error 1\n");
h->cerrno = CSERRORSSL;
return -1;
}
TRC(fprintf(stderr, "tcpip_accept h=%p pid=%d\n", h, getpid()));
if (h->state == CS_ST_INCON)
{
- tcpip_state *state, *st = (tcpip_state *)h->cprivate;
- if (!(cnew = (COMSTACK)xmalloc(sizeof(*cnew))))
- {
- h->cerrno = CSYSERR;
-#ifdef WIN32
- closesocket(h->newfd);
-#else
- close(h->newfd);
-#endif
- h->newfd = -1;
- return 0;
- }
+ tcpip_state *st = (tcpip_state *)h->cprivate;
+ tcpip_state *state = tcpip_state_create();
+ cnew = (COMSTACK) xmalloc(sizeof(*cnew));
+
memcpy(cnew, h, sizeof(*h));
cnew->iofile = h->newfd;
cnew->io_pending = 0;
+ cnew->cprivate = state;
- if (!(state = (tcpip_state *)
- (cnew->cprivate = xmalloc(sizeof(tcpip_state)))))
- {
- h->cerrno = CSYSERR;
- if (h->newfd != -1)
- {
-#ifdef WIN32
- closesocket(h->newfd);
-#else
- close(h->newfd);
-#endif
- h->newfd = -1;
- }
- return 0;
- }
if (!tcpip_set_blocking(cnew, cnew->flags))
{
h->cerrno = CSYSERR;
#endif
h->newfd = -1;
}
- xfree(cnew);
xfree(state);
+ xfree(cnew);
return 0;
}
h->newfd = -1;
- state->altbuf = 0;
- state->altsize = state->altlen = 0;
- state->towrite = state->written = -1;
- state->complete = st->complete;
-#if HAVE_GETADDRINFO
- state->ai = 0;
-#endif
cnew->state = CS_ST_ACCEPT;
h->state = CS_ST_IDLE;
#if HAVE_GNUTLS_H
state->cred_ptr = st->cred_ptr;
- state->session = 0;
if (st->cred_ptr)
{
int res;
(size_t) cnew->iofile);
}
#endif
- state->connect_request_buf = 0;
- state->connect_response_buf = 0;
h = cnew;
}
if (h->state == CS_ST_ACCEPT)
h->io_pending = CS_WANT_WRITE;
return 1;
}
- return cont_connect(h);
+ if (h->flags & CS_FLAGS_BLOCKING)
+ {
+ h->cerrno = CSYSERR;
+ return -1;
+ }
+ else
+ return cont_connect(h);
}
state->written += res;
TRC(fprintf(stderr, " Wrote %d, written=%d, nbytes=%d\n",
tcpip_state *sp = (struct tcpip_state *)h->cprivate;
TRC(fprintf(stderr, "tcpip_close: h=%p pid=%d\n", h, getpid()));
+#if HAVE_GETADDRINFO
+ xfree(sp->bind_host);
+#if RESOLVER_THREAD
+ if (sp->pipefd[0] != -1)
+ {
+ yaz_thread_join(&sp->thread_id, 0);
+ close(sp->pipefd[0]);
+ close(sp->pipefd[1]);
+ h->iofile = -1;
+ }
+#endif
+#endif
if (h->iofile != -1)
{
#if HAVE_GNUTLS_H
return 0;
}
-static int tcpip_put_connect(COMSTACK h, char *buf, int size)
-{
- struct tcpip_state *state = (struct tcpip_state *)h->cprivate;
-
- int r = tcpip_put(h, state->connect_request_buf,
- state->connect_request_len);
- if (r == 0)
- {
- /* it's sent */
- h->f_put = tcpip_put; /* switch to normal tcpip put */
- r = tcpip_put(h, buf, size);
- }
- return r;
-}
-
-static int tcpip_get_connect(COMSTACK h, char **buf, int *bufsize)
-{
- struct tcpip_state *state = (struct tcpip_state *)h->cprivate;
- int r;
-
- r = tcpip_get(h, &state->connect_response_buf,
- &state->connect_response_len);
- if (r < 1)
- return r;
- /* got the connect response completely */
- state->complete = cs_complete_auto; /* switch to normal tcpip get */
- h->f_get = tcpip_get;
- return tcpip_get(h, buf, bufsize);
-}
-
-
/*
* Local variables:
* c-basic-offset: 4
projects / yaz-moved-to-github.git / blobdiff